6.1.1 Earth, Sun and Moon

What causes day and night?

• The sun rises and sets
• The Earth rotating on its axis
• The Earth revolves around the sun
• The tilt of the Earth

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In the waxing phase, the moon appears to

• get bigger
• get smaller

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In the waning phase, the moon appears to

• get bigger
• grow smaller

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Why are there 365 1/4 (365.25) days in a year?

• Earth's rotation takes this long.
• The tilt of the Earth.
• Earth's revolution takes this long.
• Our tilt is 23 degress.

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What is a first quarter moon?

• Less than half of the moon appears lit. It is growing toward a full moon.

• The right half of the moon appears lit. It is growing toward a full moon.

• More than half of the moon appears lit. It is shrinking toward a new moon.

• More than half of the moon appears lit. It is growing toward a new moon.

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How long does the entire moon cycle last?

• It last around 28-29.5 days.

• It last 20 days.

• It last 30 days.

• It last 25 days.

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Why the moon change?

• It changes because the influence of Mercury.

• It changes because the cycle of the Sun.

• It changes because we can see the illuminate part of the moon from the sun. This changes according to the position of the Moon.

• It changes because the rotation of the Earth.

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A lunar eclipse only happens during a _____moon.

• New

• Crescent

• Full

• Gibbous

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Half of the earth in B is dark . What is the dark half of Earth experiencing?

• Night time.

• A power outage

• A Solar Eclipse

• A Lunar Eclipse

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When it is day in Columbia, South Carolina, it is night in Australia. What explains the difference between Columbia and Australia?

• A. The revolution of Earth around the Sun causes only one-half of Earth to receive sunlight at a time.

• B. The revolution of the Moon around Earth blocks sunlight for certain parts of Earth, which causes night.

• C. The tilt of Earth’s axis causes one-half of Earth to receive sunlight, which makes day; the other half experiences night.

• D. The rotation of Earth on its axis causes one-half of Earth to face the Sun, which causes day; the other half faces away from the Sun, which causes night.

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